.title {
  display: flex;
  justify-content: space-around;
  flex-direction: column;
  text-align: center;
  color: #fff;
  background-color: #000;
}
.title p {
  color: #fff;
  font-size: 11px;
  padding: 5px 0;
}
.title .tam {
  border: 2px solid #fff;
  background-color: #000;
  color: #fff;
  width: 11%;
  margin: 5px 0;
  padding-right: 110px;
}
.title .tan {
  border: 2px solid #fff;
  background-color: #fff;
  color: #000;
  margin: 5px 0;
  font-size: 12px;
  margin-right: 40px;
}
.title .tan:hover {
  background-color: #000;
  color: #fff;
}
.nav-toggle {
  display: block;
  padding: 0 10px 0 0;
    height: 30px;
    float: left;
    span {
      height: 1px;
      width: 30px;
      background: #333;
      position: relative;
      top: 15px;
      display: block;
      content: "";
    }
    span::after, span::before {
      height: 1px;
      width: 30px;
      background: #1a1a1a;
      position: absolute;
      display: block;
      content: "";
    }
    span::after {
      bottom: 4px;
    }
    span::before {
      bottom: -4px;
    }
}
.meun_nav {
  //   background-color: #0ff;
  border: 1px solid #eee;
  .nav {
    margin: 0 30px;
    align-items: center;
    // background-color: #0f0;
    display: flex;
    .nav_left {
     
     display: none;
    }
    .nav_center {
      flex: 1;
      .nav_title > a {
        display: block;
        text-align: center;
        margin: 10px 0;
      }
      .nav_submeun {
       display: none;
      }
    }
    .nav_title a {
      text-decoration: none;
      color: #000;
      font-size: 22px;
    }
    .nav_right {
      display: flex;
      justify-content: center;
      align-items: center;
  
      & > a:nth-child(2) {
        display: none;
      }
      & > a > span:nth-child(2){
          display: none;
      }
    }
    .nav_right a {
      text-decoration: none;
      color: #999999;
    }
  }
}